From 069a9766a9bf62c3c6caacd0ce5fb30ece8a0eef Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Wed, 27 Apr 2011 12:53:58 +0200 Subject: mesa: add macros MIN3 and MAX3 --- src/mesa/main/macros.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src') diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h index 86a58cc6b43..01e4d20afbf 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -669,6 +669,10 @@ do { \ /** Maximum of two values: */ #define MAX2( A, B ) ( (A)>(B) ? (A) : (B) ) +/** Minimum and maximum of three values: */ +#define MIN3( A, B, C ) ((A) < (B) ? MIN2(A, C) : MIN2(B, C)) +#define MAX3( A, B, C ) ((A) > (B) ? MAX2(A, C) : MAX2(B, C)) + /** Dot product of two 2-element vectors */ #define DOT2( a, b ) ( (a)[0]*(b)[0] + (a)[1]*(b)[1] ) -- cgit v1.2.3